Re: IIS6 freeze and restart without reason !!!

Tech-Archive recommends: Speed Up your PC by fixing your registry

From: Goldrake (nospam_at_nospam.com)
Date: 06/01/04 

Date: Tue, 1 Jun 2004 10:18:04 +0200

Yesterday I spent all day to do ev'ry kind of test to circumscribe the
problem.

With Network Analyzer, I notice that the pages "freeze" because the amount
of byte/sec transferred from server to client is very low (less than 2
KB/s).

Thinking to a network problem, I put a cross-cable between the server and
the client to eliminate any possible interference from the network but the
problem was still present.

So, I test the pages with different client (1 Win98, 3 WinXp, 1 Win2000 pro)
and for my big surprise, I discovered that one of them (Win XP) work without
problem.

At that point, my mind was very confused. Why that client work and the other
not ????
What differences caracteristics have that client ????
Effectively, there is one difference.... : the nic card !!!

All the other clients, have common Realtek nic cards.
Instead, the client working, mount a VIA Rhine II chipset integrated nic
card (Asus A7V8-X motherboard).

Therefore, I decided to do the "final test" : install a new pci nic card on
the client and disable the onboard nic.
Are you ready for the big news ?!?!? ........ Don't work !!!!

Yes.... you understand well...... with the VIA's nic all work good .. with
Realtek don't !!!!!
And now..... what you think about this ???

Today I will try to install Win2k3 on the pc with VIA nic to use it like
server.
I want to see what happen.....

Stay tuned...... :-)

"David Wang [Msft]" <someone@online.microsoft.com> ha scritto nel messaggio
news:u$bB8qgREHA.1396@TK2MSFTNGP12.phx.gbl...
> You said that this happens sporadically on different pages. This makes it
> unlikely to be the slow-network issue I was thinking of since that one
> happens 100% on any page with the characteristics that I described, and
> there will be network traffic while it's happening.
>
> You also said that this freezing does not happen for Access -- only for
> SQL/MySQL, which also eliminates another common "hanging"/freezing issue
> that people have reported.
>
> Both of the above issues have fixes in SP1. However, what you are saying
> does NOT match any of these two most frequently reported
> performance/slow/freeze issues, so we'll have to diagnose your situation
as
> something totally new.
>
>
> Can you clarify what exact symptom you are observing. I understand that
> you've said that on various ASP pages that make database calls, they can
> "freeze" for a short while. Do any of the pages "time out", "hang" for a
> long time, or fail to display what they should, or do they just freeze for
a
> very short while.
>
> The default network connection type changed on Windows Server 2003 to be
> Named Pipes instead of TCP (or was it the other way around; I always
> forget -- but I know it changed from what it was on W2K/WXP, for security
> reasons). Can you check on that -- but this change would result in no SQL
> connectivity, not sporadic connectivity.
>
> I would start profiling your pages that are frequently freezing to see
where
> they are taking the most time. While you cannot do this with WS03, with
> WS03SP1 there will be tremendous support to trace request execution from
the
> network stack, through IIS, into ASP/ASP.Net, COM, Scripting, SQL, etc
into
> one report -- which should trivially point out where the "freezing time"
is
> taken.
>
> --
> //David
> IIS
> This posting is provided "AS IS" with no warranties, and confers no
rights.
> //
> "Goldrake" <nospam@nospam.com> wrote in message
> news:bdPtc.25826$Wc.879824@twister2.libero.it...
> First of all, excuse me for my orrible English but it's not my language...
>
> "David Wang [Msft]" <someone@online.microsoft.com> ha scritto nel
messaggio
> news:u6IZlYPREHA.624@TK2MSFTNGP11.phx.gbl...
> > 1. It is not possible to upgrade from XP Pro to Windows Server 2003.
I'm
> > taking that you formatted and clean-installed Windows Server 2003 on the
> > same machine.
>
> Exactly
>
> > 2. You have not given any indication as to IIS6 "freezing" nor
> "restarting".
> > Restarts of the worker process will be noted in the Windows event log.
> > Until you see such an event, IIS6 did not "restart". As for "freezing",
> can
> > you describe this further.
>
> Maybe there is a misunderstood, I did not used the right word.
> I want to mean that the "page" freeze for few second and then work
normally.
> This event happen randomly and not in the same page.
> For example, the same page that freeze one time, not necessarily freeze
the
> other time.
>
> > In particular, is the page freezing when you interact with the ASP page
to
> > do something (like query the database)?
>
> Exactly !
> The problem is present in asp web sites using Sql Server or MySql
database.
> Using Access, all work good.
> The common things that SQL & MySQL have, is that they use tcp port to
> transfer data.
> Maybe the problem can be releated with TCP ?
>
> > If you have an ASP page that is
> > doing lots of little Response.Write (like looping through a query
table),
> > there is a known performance degradation in a component that IIS uses on
> > Windows Server 2003 (it's fixed in SP1).
>
> Could you indicate me where I can find more information about this ?
>
> > Finally, just because something worked before does not mean it is
correct
> or
> > will work in the future. For example, suppose you have ASP code that
> looks
> > like: "If OS is not XP Pro then hang"
> >
> > Obviously, it runs well on XP Pro, but when you move it to Windows
Server
> > 2003, it's not going to run well. Is this still an IIS6 issue or is it
an
> > issue with your code?
>
> Sure I'm not the best programmer in the world, but I'm sure that my code
is
> not like you said before. In the last five years I wrote megabytes of code
> in asp & asp.net.
> My applications works without problem on different os platform.
> I'm a certified MCSD and my "developing style" is coherent with Microsoft
> schemes.
>
> I don't want bore you listing all the experiments I've tried before write
in
> this newsgroup, but believe in me if I said that I don't find nothing
wrong
> in the code.
>
> Thanks for you help
>
>
>

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